The flashing process is generally used to fix boot loops, remove screen locks, or unbrick a device. Download SP Flash Tool for Nokia phones

: The 4000mAh battery is a standout, easily lasting two days with light use, supported by AI-assisted "Adaptive Battery" technology.

Since "Nokia 23" might be a typo or a niche variant, you should look for the tool based on your phone's actual model number (e.g., TA-xxxx). Here are the legitimate sources for Nokia flashing tools:

Select from the dropdown menu (avoid "Format All + Download" unless absolutely necessary, as it can erase IMEI data). Click the Download button (green arrow icon). Power off your completely.